The Oxford Thesaurus An A-Z Dictionary of Synonyms - venom n.

1) poison, toxin: The snakes are 'milked' of their venom, which is collected for research in antitoxins and pharmaceuticals. 2) malice, maliciousness, malevolence, ill will, malignity, animosity, hate, hatred, hostility, antagonism, spite, spitefulness, spleen, rancour, bitterness, embitteredness, gall, poison, poisonousness, virulence: Vinnie was totally unprepared for the venom of the attack.